Click on a catalog number or product name below to go directly to the page where pricing and structure information for the selected lactone may be obtained. We also offer unlabeled aldoses, ketoses, miscellaneous monosaccharides and derivatives, and oligosaccharides. If you need labeled saccharides or derivatives, please see our Product Listing by Compound Class page. We specialize in Carbon-13, Deuterium, and Nitrogen-15 labeling. Custom isotopomeric forms can be prepared upon request.